Show Radios Plane Trouble A new device automatically ra ra- radios radios ra- ra radios dios the performance of 70 dif dif- different different different ferent parts of a plane during a test flight to a ground machine which records the data on sound film and disks and then makes graphs for visual study in a n mat mat- matter matter ter of seconds says Colliers Thus itt it not only enables the ground men men to warn pilots of incipient trouble but its records check and supplement those of the pilot and andare andI andare are a e not lost in case of a crackup I |